APA (7th ed.) Citation

Tubbs, C. H. (1977). Natural regeneration of northern hardwoods in the northern Great Lakes. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

Tubbs, Carl H. Natural Regeneration of Northern Hardwoods in the Northern Great Lakes. [St. Paul, Minn.]: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1977.

MLA (9th ed.) Citation

Tubbs, Carl H. Natural Regeneration of Northern Hardwoods in the Northern Great Lakes. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1977.